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SN/T 3078.1-2012: Guide for assessing thermal stabilit of chemicals. Part 1: Methods of accelerating rate calorimetry
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 3078.1-2012 | English | 369 |
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Guide for assessing thermal stabilit of chemicals. Part 1: Methods of accelerating rate calorimetry
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SN/T 3078.1-2012
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Basic data | Standard ID | SN/T 3078.1-2012 (SN/T3078.1-2012) | | Description (Translated English) | Guide for assessing thermal stabilit of chemicals. Part 1: Methods of accelerating rate calorimetry | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | A80 | | Classification of International Standard | 13.300 | | Word Count Estimation | 14,181 | | Quoted Standard | GB/T 22232-2008; ASTM E476; ASTM E487; ASTM E680; ASTM E698; ASTM E1231 | | Regulation (derived from) | National Quality Inspection (2012) 237; industry standard filing Notice 2012 No. 9 (No. 153 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the Accelerating Rate Calorimeter recommendations of operating procedures. The calorimeter system can be obtained in the adiabatic approximation physical and chemical changes occur under conditions of temperature and pressure data | SN/T 3078.1-2012: Guide for assessing thermal stabilit of chemicals. Part 1: Methods of accelerating rate calorimetry
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Guide for assessing thermal stabilit of chemicals.Part 1. Methods of accelerating rate calorimetry
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Evaluation Guide chemicals thermal stability
Part 1. Accelerating Rate Calorimeter Method
Part 1. Methodsofacceleratingratecalorimetry
Issued on. 2012-05-07
2012-11-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
SN/T 3078 "Evaluation Guide chemicals thermal stability" is divided into two parts.
--- Part 1. Accelerating Rate Calorimeter method;
--- Part 2. Thermal gravimetric analysis.
This section SN/T Section 13078 of.
This section reference ASTME1981-98 (2004) "chemical thermal stability evaluation guidelines Accelerating Rate Calorimetry Method."
This section drafted in accordance with GB/T 1.1-2009 given rules.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section was drafted by. People's Republic of China Guangdong CIQ.
The main drafters of this section. Chengu Feng, Huang Ziyi, Fang Yongkang, Liu Sheng, Lin Hongxiong, Lee Jun, Di Cuiping, Zheng Jianguo.
Evaluation Guide chemicals thermal stability
Part 1. Accelerating Rate Calorimeter Method
1 Scope
SN/T 3078 provisions of this part of the Accelerating Rate Calorimeter recommended operations procedure. The calorimeter system can be obtained in the adiabatic approximation
Data temperature and pressure changes over time when the physical and chemical changes take place under the conditions.
This section applies to the use of accelerated evaluation Calorimeter thermal stability of chemicals. After an appropriate scale, this part of the test data can be
Prudence and used to predict the chemical or chemical mixture processing, storage and transport-related hazards. Under appropriate conditions, this standard applies
To study the catalyst, inhibitor, initiator, reaction atmosphere, physical structure or stirring impact.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Thermal stability GB/T 22232-2008 Determination of chemical substances differential scanning calorimetry
Instability Test Method ASTME476 closed condensate system heat
Standard Test Method for thermostatic stability ASTME487 chemical materials
The sensitivity of the test method for solid hazardous materials drop ASTME680 heavy impact
Arrhenius dynamic ASTME698 thermally unstable materials Standard Test Method for constant
ASTME1231 for calculation of thermally unstable materials potentially dangerous coefficient of performance
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Adiabatic calorimeter adiabaticcalorimeter
It has the ability to continuously measure the temperature difference between the sample and the environment, to ensure that the minimum amount of heat exchange situation occurs between the sample and the environment
Conducted under conditions of heat measuring instruments.
3.2
Autocatalytic reaction autocatalyticreaction
The product of the reaction medium or chemical reaction catalysis.
3.3
Drift drift
Since the temperature of the system after the system (sample container and environmental) limitations calibration or calibration system changes caused by increasing or
cut back.
3.4
End temperature finaltemperature
(Tfinal)
At the end of the exothermic reaction observed temperature of the system, usually refers to self-heat, the reaction rate drops below the sensitivity of the slope set by the operator
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